There are 10 row in the choir and 11 singer in the first row. Find the total number of the singers in the choir .

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy